Casetext (CoCounsel)
Perplexity AI
| Feature | Casetext (CoCounsel) | Perplexity AI |
|---|---|---|
| Pricing | From $110/mo | Free / from $20/mo |
| Free Plan | ✗ No | ✓ Yes |
| Rating | 4.5 / 5 | 4.5 / 5 |
| Best For | solo-practitioners, small-law-firms, legal-researchers, in-house-counsel | researchers, students, journalists, professionals |
| Founded | 2013 | 2022 |
| Ai Research | ✓ | ✗ |
| Brief Analysis | ✓ | ✗ |
| Contract Analysis | ✓ | ✗ |
| Deposition Prep | ✓ | ✗ |
| Timeline Creation | ✓ | ✗ |
| Document Review | ✓ | ✗ |
| Search | ✗ | ✓ |
| Citations | ✗ | ✓ |
| Focus Modes | ✗ | ✓ |
| File Upload | ✗ | ✓ |
| Collections | ✗ | ✓ |
| Api | ✗ | ✓ |
✓ Casetext (CoCounsel) Pros
- AI-powered research
- Natural language search
- Document review
- Affordable vs alternatives
✗ Casetext (CoCounsel) Cons
- Smaller database than Westlaw
- Newer platform
- AI sometimes inaccurate
✓ Perplexity AI Pros
- Source citations
- Real-time web access
- Focus modes
- Clean UI
✗ Perplexity AI Cons
- Limited free queries
- Can still have errors
- No document upload on free
The Verdict
Casetext (CoCounsel) is built for solo practitioners and small law firms, with a focus on ai-research and brief-analysis. Perplexity AI targets researchers and students and leads with search and citations.
On pricing, Perplexity AI is the clear winner for budget-conscious users — starting at $20/mo compared to $110/mo for Casetext (CoCounsel). That $90/mo difference adds up quickly for growing teams.
Perplexity AI has a free plan, which gives it a meaningful edge for individuals and small teams exploring their options. Casetext (CoCounsel) requires a paid subscription from day one.
This is a genuinely close comparison. If you can, sign up for both free trials (where available) and run a one-week test with your actual team tasks before deciding.
